BioStacks
Trace Minerals

NAC Powder 600 mg

Powder · 1 Scoop (2.5g) · 30 servings · $1.03/serving

67 / 100Good

Best for

Score Breakdown

Formulation
77
Safety
87
Final score
67/100

Ingredients (1)

N-Acetyl L-Cysteine

100%

Dose

600 mg

Target

600–1800 mg

Form

Other Ingredients (8)

XylitolSweetener

A FODMAP sugar alcohol that can cause GI distress (bloating, gas, diarrhea) at moderate doses (>10-20g/day), though supplement amounts are typically small. Extremely toxic to dogs — households with pets should store securely.

Fruit Juice (unspecified)Colorant

Juice or juice concentrate used primarily for natural color and flavor in gummies

Natural FlavorsFlavor

Broad regulatory category of flavor constituents derived from natural sources. Composition is proprietary and not disclosed — 'Natural Flavors' can include several hundred different compounds depending on the target flavor profile, including hexane-extracted constituents and proprietary carrier solvents. 'Natural' is a regulatory definition (21 CFR §101.22), not a safety guarantee.

Silicon DioxideAnti-caking

Fine silica powder used to prevent clumping

Gum AcaciaBinder

Natural plant gum (acacia) used as a binder, stabilizer, and emulsifier in foods and supplements

Guar GumThickener

Natural thickener derived from guar beans

Purified WaterSolvent

Water meeting USP specifications used as solvent/vehicle in gummies and liquids

Stevia ExtractSweetener

Zero-calorie natural sweetener extracted from the leaves of Stevia rebaudiana

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Sources & Scoring

Nutrient data (RDA, UL, and safety thresholds) sourced from: NIH Office of Dietary Supplements and National Academies Dietary Reference Intakes (DRI).

This is not medical advice. Consult a healthcare provider before making changes to your supplement routine.

The score analyzes what's on the label: ingredient doses vs. clinical ranges, chemical forms, evidence levels, and known interactions. It does not verify label accuracy or test for contaminants — for that, look for third-party certifications like USP or NSF.